Home / 748,252.83-1,122,545.10-215,732.29

Finding the Fourth Proportional to 748,252.83, 1,122,545.10 and 215,732.29

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Solution

The fourth proportional to 748,252.83, 1,122,545.10 and 215,732.29 is: 323,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,252.83 : 1,122,545.10 = 215,732.29 : x
  2. Step 2: Convert to fraction form
    748,252.83/1,122,545.10 = 215,732.29/x
  3. Step 3: Cross multiply
    748,252.83x = 1,122,545.10 × 215,732.29
  4. Step 4: Simplify right side
    748,252.83x = 242,169,225,051.28
  5. Step 5: Solve for x
    x = 242,169,225,051.28/748,252.83
  6. Step 6: Final answer
    x = 323,646.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.